A “Proxy Error 502” on Janitor AI, often appearing as “502 Bad Gateway,” means that a server acting as an intermediary (a proxy or gateway) received an invalid response from another server further up the chain.
This is a common issue with online services, especially those experiencing high traffic or undergoing updates.
Why does a 502 Error occur on Janitor AI?
1. Server Overload
If Janitor AI’s servers are experiencing a large volume of traffic or heavy load, the intermediary proxy servers might become overwhelmed and fail to respond, causing a 502 error.
This can happen if there’s a sudden spike in users trying to access the service at once.
2. Server Maintenance or Downtime
Janitor AI might be undergoing maintenance or experiencing temporary downtime, which can lead to communication problems between the user and the server.
During maintenance, the servers may be temporarily taken offline or unreachable, triggering a 502 error.
3. Gateway or Proxy Server Issues
A proxy server is an intermediary server that processes requests between your device and the target server. If there’s a malfunction or misconfiguration in the gateway server (the server responsible for forwarding requests to Janitor AI’s main servers), you may get a 502 error.
This can also occur if there’s an intermediate network failure between the user’s device and the server.
4. DNS Problems
DNS (Domain Name System) issues can prevent your device from correctly resolving the address of the Janitor AI server. If the DNS lookup fails, you may encounter a 502 error when trying to access the service.
5. Network Problems Between Servers
Sometimes, the problem lies with the network infrastructure between the proxy server and the backend server. If there is a broken connection or latency between these servers, it can lead to a 502 error.
6. Software Bugs or Misconfigurations
Errors in code or misconfigurations in the server’s software or in the way the servers are set up can also cause this issue. If there’s a bug that affects how requests are routed, it can result in a 502 error.
7. Firewall or Security Settings
Sometimes, firewalls or security settings on Janitor AI’s server could block certain requests or filter out data that causes the 502 Proxy Error.
This may also happen if a firewall is incorrectly set up to block or reject legitimate traffic.
8. Timeout Issues
If a proxy server takes too long to get a response from Janitor AI’s backend servers (due to slow processing or large data requests), it can time out and return a 502 error.
This is especially common if the request is complex or requires fetching large amounts of data.
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🛠 How to Fix It
1. Wait, then Reload
Servers can simply be busy. Wait 5–10 minutes and refresh the Janitor AI page—or restart your browser/clear cache in between attempts.
2. Check Official Status Updates
Visit the Janitor AI Discord or subreddit to see if others are reporting outages or maintenance.
3. Verify Proxy URL & API Key
Ensure that:
Your API key is valid and has remaining quota
The proxy URL is correctly formatted and endpoints like
/v1/chat/completionsare included if required
4. Test a Different Model or API
If using GPT‑4, switch to GPT‑3.5‑Turbo or another lightweight model
Alternatively, try a different reverse proxy (e.g. OpenRouter, KoboldCPP via Colab)
5. Clear Cache or Switch Browser
Sometimes browser extensions or stale data interfere—clearing cookies/cache, using incognito mode, or switching browsers can help.
6. Use VPN or Change Location
Regional issues or IP-based blocking might be at play—try using a VPN to route your traffic through another region.
7. Avoid Public, Untrusted Proxies
Public or shared proxies (e.g., Pawan.krd) often go offline or throttle usage. If possible, use your own hosted proxy or a reputable paid proxy.
8. Reconnect Proxy Config Properly in Janitor
Some users resolved this by:
Entering the proxy URL / API key
Clicking Save without testing/checking
Refreshing the Janitor page afterward.
✅ Example Recovery Flow
Clear browser cache and cookies.
Refresh Janitor AI in a clean environment or incognito tab.
Re-enter your proxy URL & API key carefully.
Tap Save, refresh the page.
Switch model/type—for instance, GPT‑3.5 instead of GPT‑4.
If still broken, wait a few minutes then retry.
Consider using another proxy (e.g. KoboldCPP via Colab or OpenRouter).
A 502 Proxy Error in Janitor AI usually stems from misconfigured or overloaded proxy endpoints, expired API keys, or backend downtime. Most issues can be resolved by waiting a bit, verifying your API and proxy settings, clearing your cache, or switching models or proxy services. If the issue is widespread, it’s likely on Janitor’s side—monitor their official channels for status updates or fixes.
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